Stamp-affixing machine



E. F. BOWEN AND E. J. SCOTT.

STAMP AFFIXING MACHINE.

APPLICATION FILED SEPT. 17, 1920.

1,429, 32 1 Patented Sept. 19, 1922,

llilliwlbf flagella/ 750211621.

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' stamps, and accurate feeding under such,

Patented Sept. l9, 1922.

intent EUGENE F. BOWEN em) nPHnIAM 'J. soor'r, on rnovrnnnon, nHonnfIsLANn. j

STAMP-AFFIXING MACHINE.

Application filed September 17, 1920. SerialNo. 410,905.

, To all whom it maycoflcem:

Be it known that we, EUGENE F. BOWEN and EPHRIAM J. SCOTT, citizens ofthe United States, and residents of the city of Providenee, in thecounty of Providence and State of Rhode Island, have invented certainnew and useful Improvements in Stamp-affixing li lachines, of which thefollowing is a specilication. a 4 p This invention relates tostamp-affixing machines,'and has for one of its objects to provide amachine of this character having a plunger which is operated indirectlythrough themovement of a hand lever.

A further object of the invention is to provide means whereby the stripis advanced upon the return stroke of the plunger andthe feeding'mechanism is returned to the beginning of its feeding strokevupon theaffixing stroke of the plunger.

A further object of the invention is to provide a pressure pad ontheplungerwith a plurality of spaced-apart flexible teats or projections onitsengaging surface,

ing, orcutting machine, butin" a stamp feeding machine such a;blow isapt to cause the feeding lingers to ump and tear, the

conditions is notfound possible. Therefore,

to obviate this difficulty, I have removed the cap or head from theplunger and have connected an operating handle to the lever shaft thehandle so that even if the operating handle were forced too quicklydownward it would not affect the feeding action of the mechanism.

Then again, by this construction and arinvention consists of certainnovel features,v

of construction, as willJbe more fully described and particularlypointed out in the appended claims, i r In the accompanying drawingszi vFigure l is a side elevation showing the frame or casing in section, theplunger in earner orriee; j

' rangeinent for operating the strip-feeding its raised positionand thestrip-feed in advance position; p a a F igure-Q is a View oftheoperating mechanism showing the plunger in down" position and thefeeding mechanismin back position ready to begin its feeding stroke.

, Figure 3 is a perspective view illustrat ing the hand-operating levermounted on a transverse shaft also the feed-actuating leg and arm forengaging the plunger, both also mounted on and connected -to said shaftwhereby they may be operated by said lever.

Figure 4; is a detail in perspectiveillustrating the feeding pawlsmounted to; be moved over the stamp strip supporting table. a

Figure 5 is a erspectiveviewof' the en gaging face of t e presser padshowing the.

protruding teats thereon.

' Referring to the drawings, 10 designates the casing for astamp-affixing machine,v which maybe made in any desired shape or size'Asubstantially semi-cylindrical cap i 1 1 is hinged at il2 -to the rearof the casing and is adapted to ,be-swung back to permit: the roll ofstamps 13. to be mounted in the,

casing on the pin .14. The top portion 15 of the casing extends upwardand v forward where it is constructed to provide avertical bearing forthe plunger 16. I 1 j A cap or hood 17 is provided to completely enclosethis plunger and provide additional bearing'therefor, The plunger .16has an' aperture 18 in its upwardly extending por tion for the receptionof the operating lever presently described, and the lower portion of theplunger is provided with an enlarged foot 19 to which is attached a pad20, the lower portion of the pad being provided with a plurality ofspaced apart outwardly projecting, flexible or yieldable teats orprotuberances 21 whereby the face of the pad is adapted to readily yieldand accommodate itself to the face of the package to which the (FT Mstamp is being applied even though that face be extremely uneven.

A hood or jacket is fixed around the foot of the plunger to enclose thestamp which may be advanced from the coil and protect the saniie frombeing surreptitiously rem'ovd by unauthorized pe sons.

A knife blade 23 is secured to and carried by the foot of the plunger sothat as it descends it moves along the inner surface of the plate 24:and engages the edge of the corresponding blade 25 located below theline of the stamp strip whereby the downward movement of the plungercauses the blades to sever the stamp which is immediately on gaged andaffixed to the package.

A table 26 is provided to supportthe strip of stamps in moving from thereel or roll 13 to the cutter 25.

The strip of stamps as is well known, is usually perforated between thestamps, and therefore I have provided a plurality of small fingers 27loosely mounted on the pin 28 on the lever 29 and their engaging endsare normally held in contact with the strip by means of springs 30, theopposite ends of which are connected to the pin 31 also on said lever29. 'The lower end of this carrying lever is pivoted at 32 near thebottom of the casing. A leg 3e for actuating this carrier arm is mountedon and connected to the short transverse shaft 35. The lower end of thisleg is provided with an enlargement or Which the pin '37 is withdrawnfrom the notch 36 permitting the leg to'continue-its further movementdue to the balance of the operating stroke of the plunger. As this'legis then returned under action of the spring 40 the extension 4:1 engagesthe pin 37 and imparts to the lever 29 its advancing or operatingstroke.

An arm 42 is connected to the leg 34 both being mounted. on thetransverse shaft 35. The free end of this arm extends into the leg 34backward and consequently the carrier a lever to the commencement of itsfeeding position. When the pressure on this handle is released thespring tO returns the mech anism to normal which return stroke causesthe feeding mechanism to advance the stamp strip the length of a stampready to be severed and alliXed by the next downward stroke of theplunger.

We have shown and described a spring 33 as acting on the lever 29 todraw it forward, but in practice we find that by placing a stop, such aspin 44 back of said lever 29 to limit its backward stroke, it is sure tobe engaged by the toe n and moved forward upon the forward movement ofleg 34.

We, claim:

1. 111 a stamp afiixing machine, means for engaging the stamp strip toadvance the same, a pivoted arm carrying said engaging means, a springfor giving said arm its feedlng stroke, a pivoted actuatlng leg engagingsaid carrier arm to return it after its feeding stroke, a plunger, aknife carried thereby, an arm connected to said actuating. leg andengaging said plunger, and a hand-operating lever connected to operateboth said arm and leg.

2, In a stamp affixing machine, means for engaging the stamp strip toadvance the same, a pivoted arm carrying said engaging means, a springfor giving said arm its feeding stroke, a transverse shaft, an actuatingleg supported on said shaft and engaging said carrier arm to return itafter its feeding stroke, a plunger, a knife carried thereby,

an arm connected to said actuating leg and engaging said plunger, and ahand-operating lever also connected to said shaft for .moving both ofsaid arms.

EUGENE F. BOWEN. EFHRIAM- J. SCOTT.

